[Eporner] RegexNotFoundError: Unable to extract sources

[Xlense]

Description of your issue, suggested solution and other information

It seems the web addresses still adhere to the implementation found in #5050, but just recently (maybe in the last week) the error above is thrown for each video.

• [ x] I've verified and I assure that I'm running youtube-dl 2016.07.17

What is the purpose of your issue?

• [ x] Bug report (encountered problems with youtube-dl)

youtube-dl --verbose http://www.eporner.com/hd-porn/JSSagMNAuLZ/Gracie-Glam/
[debug] System config: []
[debug] User config: [u'--no-mtime', u'-o', u'~/localprivshare/move9/%(title)s-%(id)s.%(ext)s']
[debug] Command-line args: [u'--verbose', u'http://www.eporner.com/hd-porn/JSSagMNAuLZ/Gracie-Glam/']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2016.07.17
[debug] Python version 2.7.9 - Linux-4.1.19-v7+-armv7l-with-debian-8.0
[debug] exe versions: none
[debug] Proxy map: {}
[Eporner] Gracie-Glam: Downloading webpage
[Eporner] Gracie-Glam: Downloading player config
ERROR: Unable to extract sources; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 682, in extract_info
ie_result = ie.extract(url)
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 347, in extract
return self.real_extract(url)
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/eporner.py", line 47, in real_extract
r'(?s)sources\s:\s[\s_({.+?})\s_]', player_code, 'sources')
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 650, in _search_regex
raise RegexNotFoundError('Unable to extract %s' % _name)
RegexNotFoundError: Unable to extract sources; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.

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• Single video: http://www.eporner.com/hd-porn/JSSagMNAuLZ/Gracie-Glam/